package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.security.PrivateKey;
import java.util.HashSet;
import java.util.Set;

/**
 * @Author: charls
 * @Description:TODO
 * @Date: 2023/03/17/ 20:35
 * @Version: 1.0
 */
public class ListValueConstrainValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set=new HashSet<>();

    // 初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int []vals= constraintAnnotation.vals();
        for (int val:vals){
            set.add(val);
        }

        //ConstraintValidator.super.initialize(constraintAnnotation);
    }

    /**
     * 判断是否校验成功
     * @param value 需要校验的值
     * @param context context in which the constraint is evaluated
     *
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
